Red Hat Bugzilla – Bug 209324
[labeled networking] NetLabel has a race problem in the cache
Last modified: 2007-11-30 17:07:34 EST
Description of problem:
The NetLabel subsystem has a race problem in it's cache where an entry could be
freed while still in use. A patch which fixes the problem can be found here:
Version-Release number of selected component (if applicable):
All kernels which include NetLabel.
This can be difficult to reproduce as it requires hitting a small window.
Steps to Reproduce:
1. Configure NetLabel
2. Generate traffic over a NetLabel connection
3. Repeatedly flush the NetLabel cache (delete CIPSO DOIs, reload the SELinux
The kernel will oops.
This directly effects the LSPP efforts of RH, HP, and IBM.
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release. Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update
QE ack for RHEL5B2 according to 14b.